Results 1 to 10 of about 678,523 (71)
Improvement of 2 t GH2132 Alloy ESR Ingot Remelting Process
Teshugang, 2022 The GH2132 alloy (1.90% ~2. 30%Ti) has the problems of large loss of Ti element ( A[Ti]0. 37% ~ 0. 57% ) in ESR process, the Ti content in steel is only 1. 83% ~ 1. 89% in ESR middle and last period.
崔利民 +3 more
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Study on Slag for Electroslag Refining of Electrothermal Alloy Steel 0Cr21A16NbRE
Teshugang, 2020 The ingredient and phases of solid phase slag without remelting liquid slag air cooling and with liquid-slag reaction remelting slag, air cooling of slag 70% CaF2-25% Al2O3-5% CaO for ESR of electrothermal alloy steel 0Cr21A16NbRE with normal remelting ...
王振虎, 李彬, 郭汉杰, 郭靖
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Gaoya dianqi, 1996 1995年4月13日,淮阴供电局组织有关人员对变电所设备渗漏情况进行清查。当查到220kV、2639淮泅线A相断路器本体时,发现外拐臂合闸角度小了不少,便找来吊砣及直尺测量此时的合闸角,测得A相西支柱合闸角距离为45mm,A相东支柱合闸角距离为47mm,比标准值小了20多mm。根据这样的情况,判断该A相没有合闸到位,内部肯定有故障。 后于5月2日转移负荷停运检查。经查A相4个断口的油已被汽化,从油位器看不到油位。当打开断口时,发出极浓极臭的油臭味。经断口解体,A相1#、3#断口静触头严重烧伤 ...
周维国
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A Study on Variations of Slag Ingredient during Electroslag Remelting Process
Teshugang, 2010 The thermogravimetry (TG) -differential scanning calorimetry ( DSC) analyses on 4 kinds of electroslag for remelting- AH-6 (70% CaF2), M-l (42%CaF2), L-3 (15% CaF2) and F-2 (free CaF2) have been carried out by using TG and DSC, the structure of melting ...
陈艳梅 +5 more
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Control of Carbon and Sulfur Content in Electroslag Remelting Pure Iron
Teshugang, 2010 The main reasons of 5 t ingot carbon-pickup and low desulphurization ratio for pure iron during electroslag remelting (ESR) process are analyzed. With the process measures including to replace original remelting slag (% ) ~70 fluorite, ~30 alumina powder,
赵昱臻 +4 more
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A Study on Evaporation of Fluorides in Slag during Electroslag Remelting Process
Teshugang, 2012 The relative studies on evaporation of fluorides in quad- and pent-ingredient slag series during electroslag remelting process are concluded and summarized.
梁洪铭 +4 more
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Teshugang, 2021 Valve steel NCF3015 Φ280 mm x 1700 mm electrode (/% ： 0. 03 ~0. 08C, 13.5 〜15. 5Cr, 30 ~ 33.5Ni, 1.7-2. 1A1, 2.4 ~2.9Ti, 0.65 ~0. 80Mo, 0.65 ~0.80Nb, 0.002 - 0.006B) is remelted into Φ340 mm 0. 80 t electroslag ingot with full coaxial inert gas shielding.
丁磊, 贾景岩
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Teshugang, 2015 The effect of ingredient of pentary slag (/% : 50~65CaF26 ~ 15CaO, 18 ~ 30Al2O34 ~ 10SiO21 ~ 7MgO) and melting slag temperature (1330-1463 ℃ ) on its surface tension has been studied.
刘立 +5 more
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Development and Characteristics of Process of ESR Furnace for Remelting Heavy Slabs
Teshugang, 2009 In general, the section sizes of ESR furnace ingot for heavy slabs are (mm): (400 ~ 950) x (800 ~ 3 200) with weight 5 ~ 70 t. The furnace type of ESR Furnace for heavy slabs and the process characteristics such as control of hydrogen content in steel ...
耿鑫, 姜周华, 刘福斌
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Teshugang, 2021 The 250 mm x 250 mm rolled billets of high-speed railway axle steel DZ2 are rolled, by EAF-LF-VD-ϕ690 mm cast bloom and EAF-LF-VD-ϕ690 mm cast bloom-ϕ740 mm ESR ingot of two processes.
张锦文 +6 more
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